The transition of world agriculture from food grain to feed grains represents an...evil whose consequences may be far greater and longer lasting than any past examples of violence inflicted by men against their fellow human beings.
—Jeremy Rifkin
onomatopoeia
A figure of speech in which words are used to imitate sounds. Examples of onomatopoeic words are buzz, hiss, zing, clippety-clop, and tick-tock. Keats's "Ode to a Nightingale" not only uses onomatopoeia, but calls our attention to it: